CN115253506A - Rotary filter bag dust removing device and dust remover - Google Patents
Rotary filter bag dust removing device and dust remover Download PDFInfo
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- CN115253506A CN115253506A CN202210602967.1A CN202210602967A CN115253506A CN 115253506 A CN115253506 A CN 115253506A CN 202210602967 A CN202210602967 A CN 202210602967A CN 115253506 A CN115253506 A CN 115253506A
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- blowing
- filter bag
- pipe
- diameter section
- gas transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/682—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by nozzles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a rotary filter bag dust cleaning device and a dust remover, which comprise a gas transmission main pipe and at least one group of blowing units, wherein the gas transmission main pipe is communicated with a gas supply unit, each blowing unit comprises a gas transmission branch pipe, a blowing pipe and a gas guide pipe, the gas transmission branch pipes are axially communicated with the blowing pipes and can rotate in the circumferential direction, the gas guide pipes are communicated with the gas transmission branch pipes and the gas transmission main pipe, the peripheral wall of the blowing pipe is provided with blowing holes which are uniformly distributed in the axial direction, the blowing direction is along the radial direction of the blowing pipes, the rotary bag dust cleaner also comprises at least one group of driving units, each driving unit comprises a rotary shaft and a power blade, the rotary shafts are overlapped with the rotary axes of the blowing pipes, the first ends of the rotary shafts are connected with the gas transmission branch pipes and can rotate in the circumferential direction, the second ends of the rotary shafts are fixedly connected with the blowing pipes, and the power blades are fixed on the rotary shafts, and the gas guide pipes extend along the tangential direction of the circumferences where the power blades are located. The invention uses compressed air as power to blow to the power blade to drive the blowing pipe to rotate, the blowing direction is vertical to the filter bag, continuous high-strength blowing is formed, and the dust cleaning effect is good.
Description
Technical Field
The invention relates to the technical field of industrial smoke dust treatment, in particular to a rotary filter bag dust removal device and a dust remover.
Background
The bag type dust collector or the electric bag dust collector filters dust-containing gas by utilizing the filtering action of fiber fabrics, the core component is a filter bag, and the working performance of the filter bag directly influences the running stability of the dust collector and even the whole system. In the dust removal and filtration process of the filter bag, along with more and more trapped dust, a pore channel for filtering air flow can be gradually reduced, so that the resistance of the filter bag to the air flow is increased, the filtering effect and the service life of the filter bag can be seriously influenced in the past, and the operation stability of a dust remover and even the whole system is influenced. Therefore, in the operation process of the bag-type dust collector or the electric bag dust collector, dust adsorbed on the surface of the filter bag needs to be removed in time through the filter bag dust removing device, and the filter bag dust removing device is one of key technologies for ensuring the stable operation of the dust collector.
In the ash removal mechanism in the prior art, compressed air sprayed from air spray holes in a spray pipe is close to the circumference of a filter bag in a tangential direction, and when the compressed air sprayed from a back-blowing air spray pipe is sprayed to the inner side of the filter bag, the back-blowing air spray pipe is rotated by the formed reaction force, so that continuous high-strength spraying cannot be formed on the filter bag, and the ash removal effect is poor.
Disclosure of Invention
The invention aims to provide a rotary filter bag dust removal device which can continuously spray and blow filter bags with higher strength and has a good dust removal effect.
The invention also aims to provide a dust remover which can continuously spray and blow the filter bag with higher strength and has good dust removing effect.
In order to solve the technical problems, the invention provides a rotary filter bag dust cleaning device, which comprises a gas transmission main pipe and at least one group of blowing units, wherein the gas transmission main pipe is communicated with a gas supply unit,
the blowing unit comprises a gas transmission branch pipe, a blowing pipe and a gas guide pipe, the gas transmission branch pipe is axially communicated with the blowing pipe and can rotate relatively in the circumferential direction, the gas guide pipe is communicated with the gas transmission branch pipe and the gas transmission main pipe, the circumferential wall of the blowing pipe is provided with blowing holes which are uniformly distributed along the axial direction, and the blowing direction is along the radial direction of the blowing pipe;
the blowing pipe is characterized by further comprising at least one group of driving units, the driving units are correspondingly arranged inside the blowing unit and comprise rotating shafts and power blades, the rotating shafts are overlapped with the rotating axis of the blowing pipe, the first ends of the rotating shafts are connected with the gas transmission branch pipes and can rotate in the circumferential direction, the second ends of the rotating shafts are fixedly connected with the blowing pipe, the power blades are fixed on the rotating shafts, and the gas guide pipes extend along the tangential direction of the circumference where the power blades are located.
The injection pipe part of the rotary filter bag dust cleaning device is inserted into the filter bag, when the filter bag needs to be cleaned, the control valve can be opened firstly, compressed air from the air storage tank can enter the air transmission main pipe, then enters the injection pipe through the air guide pipe and the air transmission branch pipe, and is vertically injected to the filter bag from the injection hole for cleaning dust; simultaneously, because the air duct extends along the tangential direction of power blade place circumference, consequently, when compressed air got into the gas transmission branch pipe along the air duct, can blow to power blade along power blade's tangential to order about power blade and rotate around the pivot, because pivot second end and injection pipe fixed connection, and then drive the injection pipe and rotate around the pivot, make the injection pipe can be along circumference evenly to the jetting of filter bag inner wall, guarantee the homogeneity of the all positions deashing effect of filter bag circumference.
Therefore, the compressed air is blown to the power blades by taking the compressed air as power to drive the blowing pipe to rotate, the blowing direction of the compressed air is always perpendicular to the filter bag in the process, the continuous and high-strength blowing is formed on the filter bag, and the dust cleaning effect is better.
Optionally, the blowing pipe comprises a large-diameter section and a small-diameter section which are axially communicated, the small-diameter section and the large-diameter section are eccentrically arranged, the large-diameter section and the gas transmission branch pipe are connected through a sealing rotary joint, and the blowing hole is formed in the outer side of the peripheral wall of the small-diameter section.
Optionally, the diameter of the blowing hole is 5 mm-10 mm; between two adjacent blowing holes the distance of (a) is 10mm to 50mm.
Optionally, one end of the small-diameter section, which is far away from the large-diameter section, is connected with a positioning rod, an axis of the positioning rod coincides with the rotation axis, the positioning rod further comprises a positioning bracket, the positioning bracket is fixed to a bottom cover of the cage, and the positioning rod is relatively rotatably mounted on the positioning bracket.
Optionally, the blowing pipe further comprises a sealing rotary joint, one axial end of the sealing rotary joint is a fixed end, the other axial end of the sealing rotary joint is a rotatable end, the fixed end is communicated with the gas transmission branch pipe, and the rotatable end is communicated with the blowing pipe.
Optionally, the device further comprises an outer sleeve which is sleeved on the small diameter section in a relatively rotatable manner and has a preset gap with the small diameter section,
the peripheral wall of the outer sleeve is provided with strip-shaped holes which are sequentially connected in the axial direction and staggered in the circumferential direction so as to surround the outer sleeve for at least one circle, each strip-shaped hole at least corresponds to one blowing hole, the width of each strip-shaped hole is not less than the aperture of each blowing hole,
the rotating speed of the outer sleeve is set as follows: the blowing pipe rotates for a circle, and the outer sleeve rotates the width of the strip-shaped hole.
Optionally, a gap between the outer sleeve and the small diameter section is 0.1mm to 0.3mm.
Optionally, both ends of the outer sleeve are connected with the small-diameter section through a sealing bearing, the sealing bearing close to one end of the large-diameter section is provided with a gear part, the second end of the rotating shaft penetrates out of the large-diameter section and is fixedly sleeved with a transmission gear, and the sealing bearing with the gear part is in transmission connection with the transmission gear.
Optionally, both ends of the rotating shaft are respectively connected with the gas transmission branch pipe and the large-diameter section through the sealing bearings, and the rotating shaft further comprises connecting blades, and the rotating shaft is fixedly sleeved with the connecting blades and is fixedly connected with the inner wall of the large-diameter section.
The invention also provides a dust remover which comprises a filter bag, a cage for supporting the filter bag and the rotary filter bag dust cleaning device, wherein the blowing pipe is partially inserted into the filter bag.
The dust remover comprises the rotary filter bag dust cleaning device, so that the dust remover has the same technical effect as the rotary filter bag dust cleaning device, and the details are not repeated.
Drawings
FIG. 1 is a schematic structural view of a dust collector according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the blowing unit of FIG. 1;
FIG. 4 is a schematic view of the structure of the blowing tube of FIG. 3;
FIG. 5 is a schematic view of the positioning bracket of FIG. 1;
FIG. 6 is a schematic structural view of the outer sleeve of FIG. 1;
FIG. 7 is a schematic view of the structure of the connecting blade of FIG. 1;
wherein the reference numerals in fig. 1-7 are explained as follows:
1-a gas transmission main pipe; 2-a blowing unit; 21-gas transmission branch pipe; 22-a blowing pipe; 22 a-a blowing hole; 221-a large diameter section; 222-a small diameter section; 223-positioning rods; 23-an airway tube; 3-an air supply unit; 41-a rotating shaft; 42-a power blade; 43-transmission gear, 44-connecting blade; 5-positioning the bracket; 6-sealing the rotary joint; 7-outer sleeve; 7 a-a strip-shaped hole; 8-sealing the bearing; 9-a bearing; 10-a control valve;
01-a filter bag; 02-cage frame.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The terms "first," "second," and the like, herein are used for convenience in describing two or more structures or components that are identical or similar in structure and/or function and do not denote any particular limitation in order and/or importance.
Here, the side of the peripheral wall of the small-diameter section 222 away from the rotation axis is "outside".
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a dust collector according to an embodiment of the present invention; fig. 2 is a top view of fig. 1.
The invention provides a rotary filter bag dust cleaning device, which comprises a gas transmission main pipe 1 and at least one group of blowing units 2, wherein the gas transmission main pipe 1 is communicated with a gas supply unit 3, the gas supply unit 3 is specifically a gas storage tank and is used for providing compressed air, and a control valve 10 is arranged on the gas transmission main pipe 1 and is used for controlling the on-off of the compressed air;
the blowing unit 2 comprises an air transmission branch pipe 21, an injection pipe 22 and an air duct 23, the air transmission branch pipe 21 is axially communicated with the injection pipe 22 and can rotate relatively in the circumferential direction, the air duct 23 is communicated with the air transmission branch pipe 21 and the air transmission main pipe 1, the circumferential wall of the injection pipe 22 is provided with blowing holes 22a which are uniformly distributed along the axial direction, the blowing direction is along the radial direction of the injection pipe 22,
the device also comprises at least one group of driving units, the driving units are correspondingly arranged in the blowing unit 2, each driving unit comprises a rotating shaft 41 and a power blade 42, the rotating shafts 41 are overlapped with the rotating axis of the blowing pipe 22, the first ends of the rotating shafts 41 are connected with the air transmission branch pipes 21 and can rotate in the circumferential direction, the second ends of the rotating shafts 41 are fixedly connected with the blowing pipe 22, the power blades 42 are fixed on the rotating shafts 41, and the air guide pipes 23 extend along the tangential direction of the circumference where the power blades 42 are located.
The injection pipe 22 of the rotary filter bag dust cleaning device is partially inserted into the filter bag 01, when the filter bag 01 needs to be cleaned, the control valve 10 can be opened firstly, compressed air from the air storage tank can enter the main gas transmission pipe 1, then enters the injection pipe 22 through the air duct 23 and the gas transmission branch pipe 21 in sequence, and is vertically injected to the filter bag 01 from the injection hole 22a for cleaning dust; meanwhile, because the power blade 42 and the air duct 23 are located in the same plane, and the air duct 23 extends along the tangential direction of the circumference where the power blade 42 is located, therefore, when compressed air enters the air delivery branch pipe 21 along the air duct 23, the compressed air blows to the power blade 42 along the tangential direction of the power blade 42, so as to drive the power blade 42 to rotate around the rotating shaft 41, because the second end of the rotating shaft 41 is fixedly connected with the injection pipe 22, and then the injection pipe 22 is driven to rotate around the rotating shaft 41, so that the injection pipe 22 can uniformly inject air to the inner wall of the filter bag 01 along the circumferential direction, and the uniformity of the dust removal effect of each part of the circumferential direction of the filter bag 01 is ensured.
Therefore, the compressed air is blown to the power blades 42 by taking the compressed air as power to drive the blowing pipe 22 to rotate, the blowing direction of the compressed air is always perpendicular to the filter bag 01 in the process, the filter bag 01 is continuously blown with high strength, and the dust removing effect is better.
In practical application, the number of the injection units 2 can be set according to the number of the filter bags 01, the injection units 2 correspond to the filter bags 01 one by one, and when the number of the injection units 2 is multiple, the injection units 2 are uniformly distributed along the axial direction of the gas transmission main pipe 1, so that the pressure and the flow of compressed air entering the injection units 2 are basically the same, and the filter bags 01 are guaranteed to have good and consistent dust removal effects.
Referring to fig. 3-4, fig. 3 is a schematic structural diagram of the blowing unit in fig. 1; fig. 4 is a schematic view of the structure of the blowing pipe of fig. 3.
In the invention, the blowing pipe 22 comprises a large-diameter section 221 and a small-diameter section 222 which are axially communicated, the small-diameter section 222 and the large-diameter section 221 are eccentrically arranged, namely, the rotation axes of the small-diameter section and the large-diameter section are not coincident, the large-diameter section 221 is connected with the gas transmission branch pipe 21 through the sealing rotary joint 6, and the outer side of the peripheral wall of the small-diameter section 222 is provided with a blowing hole 22a.
So set up, when major diameter section 221 rotates around pivot 41, minor diameter section 222 then uses pivot 41 as the centre of a circle, the distance between minor diameter section 222 axis and the pivot 41 axis is the radius and is circular motion, make minor diameter section 222 be close to the filter bag 01 inner wall all the time when rotatory, reach higher jetting intensity with less compressed air pressure and air volume promptly, the deashing is effectual, relatively thorough, clear away the deposition of each position of filter bag 01 evenly, reduce the bulk resistance of dust remover, prolong the deashing cycle, prolong the life of filter bag 01, improve the complete machine performance of dust remover.
It is defined that the diameter of the large diameter section 221 is R, the diameter of the small diameter section 222 is R, and the distance between the axis of the small diameter section 222 and the axis of the rotating shaft 41 is (0,R-R ]; it can be understood that the closer the small diameter section 222 is to the radially outer end of the large diameter section 221, i.e., the greater the distance between the axis of the small diameter section 222 and the axis of the rotating shaft 41, the smaller the distance between the small diameter section 222 and the inner wall of the filter bag 01, the better the ash removal effect, as shown in FIG. 5, in this embodiment, the outer side of the peripheral wall of the small diameter section 222 is flush with the peripheral wall of the large diameter section 221, i.e., the distance between the axis of the small diameter section 222 and the axis of the rotating shaft 41 is R-R, which is a preferred technical solution.
In this embodiment, the diameter of the blowing hole 22a is 5mm to 10mm; the distance between two adjacent blowing holes 22a is 10 mm-50 mm.
One axial end of the sealing rotary joint 6 is a fixed end, the other axial end is a rotatable end, the fixed end is communicated with the gas transmission branch pipe 21, and the rotatable end is communicated with the blowing pipe 22, so that the gas transmission branch pipe 21 is rotatably connected with the blowing pipe 22. The sealing rotary joint 6 can ensure the sealing performance while smoothly rotating.
Wherein, the fixed end is fixedly connected with the gas transmission branch pipe 21 through a flange, and the rotatable end is fixedly connected with the blowing pipe 22 through a flange.
With continuing reference to fig. 1, 3-5, fig. 5 is a schematic structural view of the positioning bracket shown in fig. 1.
In the invention, one end of the small diameter section 222 far away from the large diameter section 221 is connected with a positioning rod 223, the axis of the positioning rod 223 coincides with the rotation axis, the positioning device further comprises a positioning bracket 5, the positioning bracket 5 is fixed on the bottom cover of the cage 02, and the positioning rod 223 is relatively rotatably mounted on the positioning bracket 5.
So, all fix a position the axial both ends of jetting pipe 22 for jetting pipe 22 can rotate around the rotation axis all the time, avoids jetting pipe 22 to take place to rock, improves jetting pipe 22's rotation stability, improves the homogeneity of the deashing effect of each part of filter bag 01.
In this embodiment, the middle of the positioning bracket 5 is provided with a bearing 9, and the positioning rod 223 is connected with the positioning bracket 5 through the bearing 9; in practical application, the positioning bracket 5 is provided with a positioning hole extending along the rotation axis, and the positioning rod 223 is inserted in the positioning hole, so as to play a guiding role, and of course, the positioning rod 223 is connected with the positioning bracket 5 through the bearing 9, so that the rotation of the blowing pipe 22 is smoother, which is a preferable technical scheme.
Referring to fig. 6, fig. 6 is a schematic structural view of the outer sleeve of fig. 1,
the rotary filter bag dust removing device also comprises an outer sleeve 7, the outer sleeve 7 is sleeved with a small-diameter section 222 in a relatively rotating manner, a preset gap is formed between the outer sleeve 7 and the small-diameter section 222, strip-shaped holes 7a are formed in the peripheral wall of the outer sleeve 7, the strip-shaped holes 7a are axially connected in sequence and are circumferentially staggered with each other so as to surround the outer sleeve 7 for at least one circle, each strip-shaped hole 7a at least corresponds to one blowing hole 22a, the width of each strip-shaped hole 7a is not less than the aperture of each blowing hole 22a, and the rotating speed of the outer sleeve 7 is set as follows: the blowing pipe 22 rotates for one circle, and the outer sleeve 7 rotates for the width of the strip-shaped hole 7 a.
It can be understood that, in the rotary filter bag dust removing device of the invention, if the outer sleeve 7 is not arranged, the compressed air can be blown out from each blowing hole 22a at the same time, under a certain air inflow, the intensity of the compressed air sprayed out from a single blowing hole 22a can be weakened inevitably, the compressed air sprayed out from each blowing hole 22a is not uniform, although the dust removing effect is improved to a certain extent compared with the prior art, the improvement degree is limited. Based on this, the rotary filter bag dust cleaning device is provided with the outer sleeve 7, compressed air is blown out from only one blowing hole 22a at the same time, and the compressed air can be blown out from all the blowing holes 22a in sequence along with the rotation of the blowing pipe 22, so that the blowing strength is greatly improved, the dust cleaning effect is greatly improved, and the compressed air sprayed out from all the blowing holes 22a is more uniform; meanwhile, because the injection tube 22 rotates for a circle, the outer sleeve 7 rotates for the width of the strip-shaped hole 7a, when the outer sleeve 7 rotates for a circle, ash removal is just completed for each part of the circumference of the filter bag 01, and the uniformity of the ash removal effect of each part of the circumference of the filter bag 01 is ensured.
Therefore, the rotary filter bag dust cleaning device is not limited by the length of the filter bag 01, the spraying strength is uniform under a certain compressed air condition, the dust deposits at each part of the filter bag 01 can be thoroughly and uniformly cleaned, the dust cleaning problem of the long filter bag is effectively solved, and the application problem of the long filter bag is solved, namely in practical application, the large space formed between the lower part of the filter bag area and the dust hopper can be fully utilized to arrange the long filter bag, the area of the filter bag is increased, the space utilization rate is high, the occupied area is reduced, and the manufacturing cost of a dust collector is reduced.
In practical applications, the number of the strip-shaped holes 7a can be set according to the length of the filter bag 01, the diameter of the outer sleeve 7 and the aperture of the blowing holes 22a. The clearance between the outer sleeve 7 and the small diameter section 222 is 0.1 mm-0.3 mm. The inner wall of outer tube 7 and the outer wall of path section 222 all set up to the finish machining smooth surface, rotate more smoothly.
Referring to fig. 3, in the present embodiment, both ends of the outer sleeve 7 are connected to the small-diameter section 222 through the sealing bearing 8, so as to ensure the smooth rotation of the outer sleeve 7 and the sealing performance; the sealed bearing 8 near one end of the large-diameter section 221 is provided with a gear part, the second end of the rotating shaft 41 penetrates through the large-diameter section 221 and is fixedly sleeved with a transmission gear 43, and the sealed bearing 8 with the gear part is in transmission connection with the transmission gear 43.
Therefore, the rotating shaft 41 drives the blowing pipe 22 to rotate, and simultaneously, the outer sleeve 7 is driven, so that the structure is simple, and the transmission is reliable.
Further, referring to fig. 3 and 7, in this embodiment, two ends of the rotating shaft 41 are respectively connected with the gas transmission branch pipe 21 and the large diameter section 221 through the sealing bearing 8 to ensure the sealing performance, and the connecting blade 44 is further included, and the connecting blade 44 is fixedly sleeved on the rotating shaft 41 and is fixedly connected with the inner wall of the large diameter section 221, so that on one hand, the fixing of the rotating shaft 41 and the large diameter section 221 is realized, and on the other hand, the connecting blade 44 can also be used as secondary power to realize the driving of the blowing pipe 22.
It should be noted that, all the foregoing numerical ranges are exemplary illustrations, and in practical application, the adaptive adjustment may be performed according to actual conditions.
The invention also provides a dust remover which comprises a filter bag 01, a cage 02 for supporting the filter bag 01 and the rotary filter bag dust removal device, wherein the injection pipe 22 is partially inserted into the filter bag 01.
The dust remover comprises the rotary filter bag dust cleaning device, so that the dust remover has the same technical effect as the rotary filter bag dust cleaning device, and the details are not repeated.
The above detailed description of the rotary filter bag dust removing device and the dust remover provided by the invention has applied specific examples to illustrate the principle and the implementation of the invention, and the above description of the examples is only used to help understanding the method and the core idea of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A rotary filter bag dust cleaning device is characterized by comprising a gas transmission main pipe (1) and at least one group of blowing units (2), wherein the gas transmission main pipe (1) is communicated with a gas supply unit (3),
the blowing unit (2) comprises a gas transmission branch pipe (21), a blowing pipe (22) and a gas guide pipe (23), the gas transmission branch pipe (21) is axially communicated with the blowing pipe (22) and can rotate relatively in the circumferential direction, the gas guide pipe (23) is communicated with the gas transmission branch pipe (21) and the gas transmission main pipe (1), the circumferential wall of the blowing pipe (22) is provided with blowing holes (22 a) which are uniformly distributed in the axial direction, and the blowing direction is along the radial direction of the blowing pipe (22);
the blowing device is characterized by further comprising at least one group of driving units, the driving units are correspondingly arranged inside the blowing unit (2), each driving unit comprises a rotating shaft (41) and a power blade (42), the rotating shafts (41) coincide with the rotating axis of the blowing pipe (22), the first ends of the rotating shafts (41) are connected with the gas transmission branch pipes (21) and can rotate in the circumferential direction, the second ends of the rotating shafts are fixedly connected with the blowing pipe (22), the power blades (42) are fixed on the rotating shafts (41), and the gas guide pipes (23) extend along the tangential direction of the circumference where the power blades (42) are located.
2. The rotary filter bag dust cleaning device according to claim 1, wherein the blowing pipe (22) comprises a large diameter section (221) and a small diameter section (222) which are axially communicated, the small diameter section (222) is eccentrically arranged with the large diameter section (221), the large diameter section (221) is connected with the gas transmission branch pipe (21) through a sealed rotary joint (6), and the blowing hole (22 a) is arranged outside the peripheral wall of the small diameter section (222).
3. The rotary filter bag ash removal device according to claim 1, wherein the diameter of the blowing holes (22 a) is 5mm to 10mm; the distance between two adjacent blowing holes (22 a) is 10-50 mm.
4. The rotary filter bag ash removal device according to claim 2, wherein a positioning rod (223) is connected to one end of the small diameter section (222) far away from the large diameter section (221), the axis of the positioning rod (223) coincides with the rotation axis, the rotary filter bag ash removal device further comprises a positioning bracket (5), the positioning bracket (5) is fixed to the bottom cover of the cage (02), and the positioning rod (223) is relatively rotatably mounted on the positioning bracket (5).
5. The rotary filter bag ash removal device according to claim 2, wherein one axial end of the sealing rotary joint (6) is a fixed end, the other axial end is a rotatable end, the fixed end is communicated with the gas transmission branch pipe (21), and the rotatable end is communicated with the large-diameter section (221).
6. The rotary filter bag dust removing device according to claim 2, further comprising an outer sleeve (7), wherein the outer sleeve (7) is relatively rotatably sleeved on the small diameter section (222) and has a preset gap with the small diameter section (222),
the peripheral wall of the outer sleeve (7) is provided with strip-shaped holes (7 a), the strip-shaped holes (7 a) are sequentially connected in the axial direction and staggered in the circumferential direction so as to surround the outer sleeve (7) for at least one circle, each strip-shaped hole (7 a) at least corresponds to one blowing hole (22 a), the width of each strip-shaped hole (7 a) is not less than the aperture of each blowing hole (22 a),
the rotational speed of the outer sleeve (7) is set as follows: the blowing pipe (22) rotates for a circle, and the outer sleeve (7) rotates by the width of the strip-shaped hole (7 a).
7. The rotary filter bag ash removal device according to claim 6, wherein the clearance between the outer sleeve (7) and the small diameter section (222) is 0.1 mm-0.3 mm.
8. The rotary filter bag ash removal device according to claim 6, wherein both ends of the outer sleeve (7) are connected with the small diameter section (222) through a sealing bearing (8), the sealing bearing (8) near one end of the large diameter section (221) is provided with a gear part, the second end of the rotating shaft (41) penetrates through the large diameter section (221) and is fixedly sleeved with a transmission gear (43), and the sealing bearing (8) with the gear part is in transmission connection with the transmission gear (43).
9. The rotary filter bag ash removal device according to claim 8, wherein two ends of the rotating shaft (41) are respectively connected with the gas transmission branch pipe (21) and the large diameter section (221) through the sealing bearings (8), and the rotary filter bag ash removal device further comprises connecting blades (44), and the connecting blades (44) are fixedly sleeved on the rotating shaft (41) and are fixedly connected with the inner wall of the large diameter section (221).
10. A dust collector, characterized by comprising a filter bag (01), a cage (02) for supporting the filter bag (01), and a rotary filter bag dust cleaning device as claimed in any one of claims 1 to 9, wherein the injection tube (22) is partially inserted inside the filter bag (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210602967.1A CN115253506B (en) | 2022-05-30 | 2022-05-30 | Rotary filter bag ash removal device and dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210602967.1A CN115253506B (en) | 2022-05-30 | 2022-05-30 | Rotary filter bag ash removal device and dust remover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115253506A true CN115253506A (en) | 2022-11-01 |
| CN115253506B CN115253506B (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210602967.1A Active CN115253506B (en) | 2022-05-30 | 2022-05-30 | Rotary filter bag ash removal device and dust remover |
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| CN (1) | CN115253506B (en) |
Citations (8)
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| JP2013193076A (en) * | 2012-03-23 | 2013-09-30 | Sintokogio Ltd | Device for shaking off dust of bag filter |
| CN207708702U (en) * | 2017-12-04 | 2018-08-10 | 江苏华泽环保集团有限公司 | A kind of novel blowing pipe of bag type dust collector |
| CN109550328A (en) * | 2018-12-28 | 2019-04-02 | 南京工业大学 | A kind of pulse jet system of sack cleaner |
| CN112169470A (en) * | 2020-10-20 | 2021-01-05 | 张曼玲 | Cloth belt dust remover capable of reducing pulse air injection frequency |
| CN112473259A (en) * | 2020-11-12 | 2021-03-12 | 赵菊兰 | Automatic blowing bag type dust collector |
| CN215462766U (en) * | 2021-07-31 | 2022-01-11 | 山东中瀚环境科技有限公司 | Pulse jetting device of bag-type dust collector |
| CN215842122U (en) * | 2021-08-31 | 2022-02-18 | 泉州市恒泰环保科技有限公司 | Pulse bag type dust collector with low running noise |
| KR20220037457A (en) * | 2019-07-31 | 2022-03-24 | 후지 필터 고교 가부시키가이샤 | Filtration device and method for cleaning the filter |
-
2022
- 2022-05-30 CN CN202210602967.1A patent/CN115253506B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013193076A (en) * | 2012-03-23 | 2013-09-30 | Sintokogio Ltd | Device for shaking off dust of bag filter |
| CN207708702U (en) * | 2017-12-04 | 2018-08-10 | 江苏华泽环保集团有限公司 | A kind of novel blowing pipe of bag type dust collector |
| CN109550328A (en) * | 2018-12-28 | 2019-04-02 | 南京工业大学 | A kind of pulse jet system of sack cleaner |
| KR20220037457A (en) * | 2019-07-31 | 2022-03-24 | 후지 필터 고교 가부시키가이샤 | Filtration device and method for cleaning the filter |
| CN112169470A (en) * | 2020-10-20 | 2021-01-05 | 张曼玲 | Cloth belt dust remover capable of reducing pulse air injection frequency |
| CN112473259A (en) * | 2020-11-12 | 2021-03-12 | 赵菊兰 | Automatic blowing bag type dust collector |
| CN215462766U (en) * | 2021-07-31 | 2022-01-11 | 山东中瀚环境科技有限公司 | Pulse jetting device of bag-type dust collector |
| CN215842122U (en) * | 2021-08-31 | 2022-02-18 | 泉州市恒泰环保科技有限公司 | Pulse bag type dust collector with low running noise |
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| CN115253506B (en) | 2023-06-16 |
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